Aerator



FIG. 1 is a front, top perspective view of an aerator showing the new design;

FIG. 2 is a front, bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a first side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a second side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an exploded view thereof with the center component shown separate from the main body.

The broken lines in the drawing depict portions of the aerator that form no part of the claimed design. 

CLAIM I claim the ornamental design for an aerator, as shown (and described). 